AC Fundamentals, Circuit and Circuit Theory In AC. circuits, laminated iron is invariably used in order to Reduce circuit permeability Increase heat radiation Make assembly cheap and easier Reduce eddy current loss Reduce circuit permeability Increase heat radiation Make assembly cheap and easier Reduce eddy current loss ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Time constant of a capacitive circuit Increases with the decrease of capacitance and decrease of resistance Increases with the increase of capacitance and decrease of resistance Increases with the decrease of capacitance and increase of resistance Increase with increase of capacitance and increase of resistance Increases with the decrease of capacitance and decrease of resistance Increases with the increase of capacitance and decrease of resistance Increases with the decrease of capacitance and increase of resistance Increase with increase of capacitance and increase of resistance ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In series resonant circuit, increasing inductance to its twice value and reducing capacitance to its half value Will change the maximum value of current at resonance Will change the resonance frequency Will change the impedance at resonance frequency Will increase the selectivity of the circuit Will change the maximum value of current at resonance Will change the resonance frequency Will change the impedance at resonance frequency Will increase the selectivity of the circuit ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The frequency of domestic power supply in India is 50 Hz 250 Hz 150 Hz 200 Hz 50 Hz 250 Hz 150 Hz 200 Hz ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Which of the following circuit component opposes the change in the circuit voltage ? Resistance Capacitance Inductance Conductance Resistance Capacitance Inductance Conductance ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The product of apparent power and cosine of the phase angle between circuit voltage and current is Instantaneous power Volt-amperes True power Reactive power Instantaneous power Volt-amperes True power Reactive power ANSWER DOWNLOAD EXAMIANS APP
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